... in safety levels 1 to 3, including research, pharmaceutical quality control labs, pharmacies, clinics and hospitals. Country of Origin: ChinaITEM: BSC ... at will, when overtop the safety height, it will alarm2.4.2 Safety Glass: toughened glass, explosive-Proof and prevent UV ... Accessories4.1 Water Valve4.2 Gas Valve4.3 Vacuum Valve4.4 Removable Stand4.5 Remote controlV Certificates5.1 Class III medical ...